JP3663010B2 - Crusher - Google Patents

Crusher Download PDF

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Publication number
JP3663010B2
JP3663010B2 JP17116796A JP17116796A JP3663010B2 JP 3663010 B2 JP3663010 B2 JP 3663010B2 JP 17116796 A JP17116796 A JP 17116796A JP 17116796 A JP17116796 A JP 17116796A JP 3663010 B2 JP3663010 B2 JP 3663010B2
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Japan
Prior art keywords
stirring member
container
pulverization
chamber
processed material
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JP17116796A
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Japanese (ja)
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JPH1015411A (en
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剛 石川
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三井鉱山株式会社
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Priority to JP17116796A priority Critical patent/JP3663010B2/en
Priority to US08/868,987 priority patent/US5791569A/en
Priority to TW086107911A priority patent/TW334355B/en
Priority to DE19727663A priority patent/DE19727663B4/en
Priority to KR1019970030490A priority patent/KR100321859B1/en
Publication of JPH1015411A publication Critical patent/JPH1015411A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16Mills in which a fixed container houses stirring means tumbling the charge

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Confectionery (AREA)

Description

【0001】
【発明の属する技術分野】
この発明は粉砕機に関し、特に、インク業界、塗料業界等で有効なメディア攪拌型湿式粉砕機に関するものである。
【0002】
【従来技術およびその問題点】
メディア攪拌型湿式粉砕機としては種々のタイプのものが知られており、例えば、実公平5−17139号公報に開示された粉砕機(密閉された型の連続分散装置)等が既に知られている。
【0003】
すなわち、この粉砕機は、一端に処理液の送入口を有し、他端に処理液の排出筒を有する円筒形状のベッセルと、ベッセルの中心部に回転可能に挿着される駆動軸と、駆動軸のベッセル内に位置する部分に取付けられるとともに、駆動軸と一体に回転可能な撹拌ディスクと、ベッセル内の排出口側に設けられる分離環状板と、分離環状板の中心部に回転可能に設けられる回転筒体とからなり、分離環状板と回転筒体とによってセパレータが構成されるようになっている。
【0004】
そして、駆動軸を回転駆動させて駆動軸と一体に撹拌ディスクを回転させるとともに、送入口からベッセル内に処理液を圧送すると、処理液はベッセル内に位置するメディアとともに撹拌されて分散され、メディアとともにベッセル内を一端から他端側に向って流動する。
【0005】
そして、回転筒体を回転駆動させると、処理液およびメディアは回転筒体と分離環状板との間で形成されるスリットによって分離され、メディアはベッセル内に残され、処理物はスリットを通過して排出口に達し、排出口からベッセル外に排出される。
【0006】
上記のように構成される従来の粉砕機にあっては、ベッセルが軸方向に長く(L/D比が大きく)形成されているため、ベッセル内において処理液はピストンフローに近い状態で流動することになり、非常に優れた粉砕効率が得られる。
【0007】
しかしながら、処理液の流れの末端に処理液とメディアとを分離するセパレータが位置しているため、その部分で処理液の流れが大きく制限されてしまい、小流量の処理物しか処理することができない。
【0008】
一方、大流量の処理液を処理できるようにするため、セパレータに改良を加えたものも提案されているが、このようなものにあっても、粉砕容器が軸方向に長く(L/D比が大きく)形成され、処理液の流れの末端にセパレータが位置しているため、大流量の処理液を処理した場合には、メディアが粉砕容器内の排出口側に片寄ってしまい、安定した運転ができなくなるばかりでなく、運転不能となることもある。
【0009】
この発明は前記のような従来のもののもつ問題点を解決したものであって、大流量の処理物を安定して処理することができるとともに、優れた粉砕効率が得られる粉砕機を提供することを目的とするものである。
【0010】
【問題点を解決するための手段】
上記の問題点を解決するために、本発明の請求項1に係る粉砕機は、両端が閉塞された筒状をなす粉砕容器と、該粉砕容器内に粉砕容器と軸線を一致させた状態で設けられ、該粉砕容器内を径方向に内側室と外側室の2室に区画するとともに、両室間を連通する複数のスリットが全周に渡って形成される筒状のセパレータと、前記内側室内に粉砕容器と軸線を一致させた状態で回転可能に設けられる攪拌部材と、前記内側室内外を連通する処理物の供給口と、前記外側室内外を連通する処理物の排出口とを具えたメディア攪拌型湿式粉砕機において、前記攪拌部材を筒状に形成するとともに、その外周面に凹部、凸部を交互に設け、かつ、前記攪拌部材の筒状部分に、その部分を内外に貫通する開口部を設け、この開口部を介して処理物および粉砕メディアを攪拌部材の内外間において相互に流動させる手段を採用している。
また、本発明の請求項2に係る粉砕機は、請求項1に記載の粉砕機であって、前記粉砕容器の軸線方向の長さ(L)と直径(D)との比(L/D比)が1.0以下となる手段を採用している。
【0011】
【作用】
この発明は前記のような手段を採用したことにより、供給口から粉砕容器の内側室内に処理物を供給し、撹拌部材を回転させると、処理物は粉砕容器の内側室内に位置している粉砕メディアとともに撹拌され、内側室の中心から外方向に向って流動し、処理物と粉砕メディアとはセパレータのスリットによって分離され、粉砕メディアは内側室内に残され、処理物はセパレータのスリットを通過して外側室内に流動し、外側室から排出口を介して粉砕容器外に排出される。
【0012】
【発明の実施の形態】
以下、図面に示すこの発明の実施の形態について説明する。
図1および図2には、この発明による粉砕機の一実施の形態が示されていて、図1は全体を示す正面図、図2は図1に示すものの縦断面図である。
【0013】
すなわち、この実施の形態に示す粉砕機1は、連続式のメディア攪拌型湿式粉砕機であって、両端が閉塞された筒状をなす粉砕容器2と、粉砕容器2内に回転可能に設けられるとともに、粉砕容器2内に位置する処理物と粉砕メディアとを攪拌する攪拌部材18と、粉砕容器2内に設けられるとともに、粉砕容器2内に位置する処理物と粉砕メディアとを分離する筒状のセパレータ13とから構成されている。
【0014】
粉砕容器2は、一端が閉塞された筒状の容器本体3と、この容器本体3の他端開口部に取付けられてそこを閉塞する円板状の蓋6とからなるものであって、これら2部材によって両端が閉塞された筒状に形成されるものである。
【0015】
容器本体3の閉塞されている一端中央部には容器本体3内外を連通する筒状のボス4が一体に設けられ、このボス4内には軸受8が装着されるとともに、この軸受8によって前記攪拌部材18が回転可能に支持されるものである。
【0016】
容器本体3の内面側には、筒状の部分の内周面に沿って環状の溝5が設けられるとともに、この溝5に対応する前記蓋6の部分にも環状の溝7が設けられている。そして、容器本体3の溝5内に前記セパレータ13の軸方向の一端を位置し、この状態で容器本体3の他端開口部に前記蓋6を取付け、蓋6の溝7内に前記セパレータ13の軸方向の他端を位置し、蓋6を容器本体3にボルト等によって固定することで、前記セパレータ13が軸方向に挟持された状態で粉砕容器2内に固定されるものである。なお、容器本体3および蓋6に溝5、7を設けずに、他の手段(ボルト等)によってセパレータ13を粉砕容器2内に固定するようにしてもよいものである。
【0017】
粉砕容器2内は前記セパレータ13によって径方向に円形状の内側室9と環状の外側室10の2室に区画されるようになっている。前記蓋6の中央部には前記内側室9内外を連通する筒状の供給口11が一体に設けられ、この供給口11を介して前記内側室9内に処理物が供給されるものである。前記容器本体3の筒状の部分には前記外側室10内外を連通する筒状の排出口12が一体に設けられ、この排出口12を介して前記セパレータ13を通過した処理物が粉砕容器2外に排出されるものである。
【0018】
粉砕容器2は、軸方向に短く形成されている。すなわち、L/D比が小さくなるように形成されている(この実施の形態においてはL/D≦1.0としている。)。L/D比を小さくすると、粉砕容器2内における処理物の流れがピストンフロー状態にならないので、粉砕効率が低下するものであるが、この実施の形態においては、Lを小さくした分だけDを大きくしてあるので、内側室9(粉砕領域)の体積を十分に確保することができ、従来のものと同等の粉砕効率が得られるものである。
【0019】
セパレータ13は、筒状の内側リング14と、筒状の外側リング15と、両リング14、15間に設けられる断面が楔状の複数の棒鋼16、16……とから構成されている。棒鋼16は、内径側が大径となるように、外側リング15と内側リング14との間に全体に渡って所定の間隔ごとに設けられている。そして、このように内側リング14と外側リング15との間に複数の棒鋼16、16……を設けることによって、隣接する棒鋼16、16間で内径側から外径側にかけて間隔が順次大きくなる楔状のスリット17、17……が形成され、これらのスリット17、17……を介して内側室9と外側室10との間が相互に連通するものである。なお、内側リング14および外側リング15には図示はしないが各スリット17に通じる複数の孔が設けられている。
【0020】
そして、このように3種類の部材14、15、16を組合わせて複数のスリット17、17……を形成することで、大流量の処理物を通過させるのに十分な有効面積を確保することができる。また、各スリット17は内径側から外径側にかけて間隔が順次大きくなる楔状に形成されているので、目詰まりを起こすことなく処理物を外側室10側に流動させることができる。さらに、運転時における強度も十分に確保することができる。なお、セパレータ13は、この実施の形態に示す構造のものに限らず、「大流量の処理物を通過させるのに十分な有効面積を確保することができる。」、「目詰まりを起こすことがない。」、「運転時における強度を十分に確保できる。」の3つの条件を満たす構造のものであればよいものである。
【0021】
攪拌部材18は、一端が閉塞された筒状をなすものであって、粉砕容器2の内側室9内に回転可能に設けられるものである。攪拌部材18の筒状の部分の外周側には、全周に渡って凹部19、凸部20が交互に設けられている。各凹部19内にはそこを内外に貫通する開口部21が設けられ、この開口部21を介して攪拌部材18の径方向の内外間において処理物および粉砕メディアが相互に流動するものである。攪拌部材18の閉塞されている一端にはそこを内外に貫通する複数の開口部22が設けられている。この開口部22は、攪拌部材18の軸心を中心とする同心円上に所定の間隔ごとに位置し、この開口部22を介して攪拌部材18の径方向の内外間において処理物および粉砕メディアが相互に流動するものである。
【0022】
攪拌部材18の閉塞されている一端中央部には筒状の突部23が一体に設けられている。この突部23の外周側は前記容器本体3のボス4内に装着されている前記軸受8の内周側に嵌合され、前記軸受8によって回転可能に支持されるようになっている。突部23の内周側には前記軸受8によって回転可能に支持されている駆動軸24の先端部が嵌合されている。そして、攪拌部材18は、攪拌部材18の内面側からロックナットを兼用している分散部材25を前記駆動軸24の先端に螺合させ、所定のトルクで締め付けることで前記駆動軸24に一体に連結されるようになっている。
【0023】
分散部材25の頭部には全周に渡って凹部26、凸部27が交互に設けられ、この凹部26、凸部27によって前記供給口11から粉砕容器2の内側室9内に供給された処理物および内側室9内に位置する粉砕メディアが径方向外方に分散されるものである。
【0024】
次に、前記に示すものの作用について説明する。
まず、図示しない駆動源を作動させて駆動軸24を回転駆動させると、駆動軸24に連結されている攪拌部材18が駆動軸24と一体に回転するとともに、攪拌部材18の中心部に位置している分散部材25も攪拌部材18と一体に回転する。そして、供給口11から処理物を粉砕容器2の内側室9内に供給すると、処理物は内側室9内において分散部材25によって粉砕メディアとともに径方向外方に分散されるとともに、攪拌部材18によって攪拌される。
【0025】
この場合、攪拌部材18の筒状の部分にはそこを内外に貫通する開口部21が設けられているので、この開口部21によって処理物および粉砕メディアには強力な遠心力が作用し、この遠心力によって処理物および粉砕メディアは開口部21から攪拌部材18の外周側に流動する。
【0026】
そして、攪拌部材18の外周側に流動した処理物および粉砕メディアは、攪拌部材18の外周側において攪拌部材18の凹部19、凸部20によって強力な剪断力が加えられるとともに、攪拌部材18の軸方向の一端方向又は他端方向に流動し、蓋6と攪拌部材18との間の間隙を介して攪拌部材18の内側に流動し、又は攪拌部材18と容器本体3との間の間隙を介して攪拌部材18の閉塞されている部分の開口部22から攪拌部材18の内側に流動し、このような一連の流れに沿って内側室9内を循環することになる。
【0027】
そして、このように処理物および粉砕メディアが内側室9内を循環することによって、両者は全体が完全な混合状態となるとともに、処理物は徐々に細かく粉砕されて所定の粒度に達する。そして、所定の粒度に達した処理物は、攪拌部材18の外周側に流動した際にセパレータ13によって粉砕メディアと分離され、セパレータ13の各スリット17内に流れ込み、そこを流れて外側室10内に達し、外側室10から排出口12を介して粉砕容器2外に排出されることになる。
【0028】
上記のように構成したこの実施の形態による粉砕機1にあっては、粉砕容器2のL/D比を小さく(1.0以下)形成してあるものの、Lを小さくした分だけDを大きくしてあるので、内側室9(粉砕領域)の体積を十分に確保することができることになる。したがって、粉砕容器2を軸方向に長く(L/D比を大きく)形成した従来のものと同等の粉砕効率が得られることになる。
【0029】
また、処理物と粉砕メディアとを分離するセパレータ13を筒状に形成してその全体に渡って複数のスリット17を形成するとともに、そのように形成したセパレータ13を軸線を一致させた状態で粉砕容器2内に設けるようにしたので、大流量の処理物を処理するのに十分な有効面積を確保することができることになる。したがって、処理物の流れがセパレータ13によって制限されるようなことはなく、大流量の処理物の処理にも十分に対応できることになる。
【0030】
さらに、セパレータ13は、内側リング14と外側リング15との間に複数の棒鋼16を設けたものであるので、大流量の処理物を処理しても十分に強度を確保することができることになる。したがって、長期的に安定した性能を発揮することができることになる。
【0031】
そして、攪拌部材18の中央部に分散部材25を設けるとともに、攪拌部材18の筒状の部分に内外を貫通する開口部21、攪拌部材18の閉塞されている一端に内外を貫通する開口部22をそれぞれ設けるようにしたので、内側室9の全体を使って処理物および粉砕メディアを循環させることができることになる。したがって、粉砕メディアおよび処理物が粉砕容器2内の一部に片寄って運転に影響を与えたり、運転が困難となったりするようなことはなく、長期的に良好な運転特性が得られることになる。
【0032】
図3には、この発明による連続式のメディア攪拌型湿式粉砕機を用いて構成したバッチ処理システム28が示されている。すなわち、このバッチ処理システム28は、前述した粉砕機1と、この粉砕機1に循環ライン29を介して接続されるサービスタンク30と、循環ライン29の途中に設けられる循環ポンプ31とを具えている。
【0033】
このバッチ処理システム28は、1回の粉砕では十分な粉砕ができないような場合に有効となり、特に、少量他品種の製品を生産する場合に有効となるものである。この場合、サービスタンク30として移動可能なものを多数用い、それらを順次交換して使用することにより生産性の高い運転を行うことができる。また、製品の切換えにより粉砕機1の内部を洗浄する必要がある場合には、洗剤等の洗浄液やリンス液を入れたサービスタンク30を接続して運転することにより、粉砕機1の内部、粉砕メディア、循環ライン29等を完全に洗浄することができるものである。
【0034】
【発明の効果】
この発明は前記のように構成したことにより、以下のような効果を奏する。
すなわち、この発明によるメディア攪拌型湿式粉砕機においては供給口から粉砕容器の内側室内に処理物を供給し、攪拌部材を回転させると、処理物は攪拌部材によって粉砕メディアとともに攪拌されて粉砕され、遠心力の作用によって径方向外方に流動してセパレータの位置に達する。
そして、セパレータによって処理物と粉砕メディアとは分離され、粉砕メディアは内側室内に残され、処理物はスリットを通過して外側室内に流動し、外側室から排出口を介して粉砕容器外に排出される。この場合、セパレータには、その全周に渡って複数のスリットが設けられ大流量の処理物を処理するのに十分な有効面積を確保することができる。そして、セパレータの部分で大流量の処理物の流れが制限されることはなく、大流量の処理物を効率良く処理することができる。
また、攪拌部材の筒状の部分には、内外を貫通する開口部が設けられているので、その開口部によって処理物および粉砕メディアに強力な遠心力を作用させることができる。したがって、その遠心力によって処理物および粉砕メディアは開口部から攪拌部材の外周側に流動し、攪拌部材の外周側を攪拌部材の軸線方向に流動して攪拌部材の内側の部分に流動し、このような一連の流れに沿って処理物、粉砕メディアが内側室内を循環し、両者は完全な混合状態となる。したがって、粉砕メディアおよび処理物が粉砕容器内の一部に片寄って運転に影響を与えたり、運転が困難になったりするようなことはなく、長期的に良好な運転特性を得ることができる。
さらに、粉砕容器は、軸方向に短く(L/D比が小さく)形成してあるものの、Lを小さくした分だけDを大きく形成してあるので、処理物の粉砕効率が低下するようなことはなく、優れた粉砕効率が得られることになる。
【図面の簡単な説明】
【図1】この発明による粉砕機の一実施の形態を示した正面図である。
【図2】図1に示すものの縦断面図である。
【図3】この発明による粉砕機を用いて構成したバッチ処理システムの系統図である。
【符号の説明】
1……粉砕機
2……粉砕容器
3……容器本体
4……ボス
5、7……溝
6……蓋
8……軸受
9……内側室
10……外側室
11……供給口
12……排出口
13……セパレータ
14……内側リング
15……外側リング
16……棒鋼
17……スリット
18……攪拌部材
19、26……凹部
20、27……凸部
21、22……開口部
23……突部
24……駆動軸
25……分散部材
28……バッチ処理システム
29……循環ライン
30……サービスタンク
31……循環ポンプ
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pulverizer, and more particularly to a media agitation type wet pulverizer effective in the ink industry, the paint industry, and the like.
[0002]
[Prior art and its problems]
Various types of media agitation type wet pulverizers are known. For example, the pulverizer (sealed type continuous disperser) disclosed in Japanese Utility Model Publication No. 5-17139 is already known. Yes.
[0003]
That is, this pulverizer has a processing liquid inlet at one end and a cylindrical vessel having a processing liquid discharge tube at the other end, and a drive shaft rotatably inserted in the center of the vessel, Attached to the portion of the drive shaft that is located in the vessel, the stirring disk that can rotate integrally with the drive shaft, the separation annular plate provided on the discharge port side in the vessel, and the center of the separation annular plate can be rotated The separator is constituted by the separation annular plate and the rotation cylinder.
[0004]
Then, the drive shaft is rotated to rotate the stirring disk integrally with the drive shaft, and when the processing liquid is pumped into the vessel from the inlet, the processing liquid is stirred and dispersed together with the medium located in the vessel. At the same time, it flows in the vessel from one end to the other end.
[0005]
Then, when the rotating cylinder is driven to rotate, the processing liquid and the medium are separated by a slit formed between the rotating cylinder and the separation annular plate, the medium is left in the vessel, and the processed material passes through the slit. It reaches the discharge port and is discharged out of the vessel from the discharge port.
[0006]
In the conventional pulverizer configured as described above, since the vessel is formed long in the axial direction (L / D ratio is large), the treatment liquid flows in a state close to the piston flow in the vessel. As a result, a very good grinding efficiency can be obtained.
[0007]
However, since the separator that separates the processing liquid and the medium is located at the end of the flow of the processing liquid, the flow of the processing liquid is greatly limited at that portion, and only a low flow rate processed product can be processed. .
[0008]
On the other hand, in order to be able to process a large amount of processing liquid, an improved separator has been proposed, but even in such a case, the pulverization container is long in the axial direction (L / D ratio). Is formed and the separator is located at the end of the flow of the processing liquid, so when a large amount of processing liquid is processed, the media is shifted to the discharge port side in the pulverization container and stable operation is achieved. In addition to being unable to do so, it may become impossible to drive.
[0009]
The present invention solves the problems of the prior art as described above, and provides a pulverizer capable of stably processing a large amount of processed material and obtaining excellent pulverization efficiency. It is intended.
[0010]
[Means for solving problems]
In order to solve the above-described problems, a pulverizer according to claim 1 of the present invention includes a cylindrical pulverization container closed at both ends, and a state in which the axis of the pulverization container is aligned with the pulverization container. A cylindrical separator that is provided and divides the inside of the pulverization vessel into two chambers of an inner chamber and an outer chamber in the radial direction, and a plurality of slits that communicate between the chambers are formed over the entire circumference; A stirring member provided rotatably inside the chamber in a state in which the axis line coincides with the pulverization container, a processing product supply port communicating with the inside and outside of the inner chamber, and a processing product discharge port communicating with the outside of the outside chamber. In the medium agitation type wet pulverizer, the stirring member is formed in a cylindrical shape, and concave and convex portions are alternately provided on the outer peripheral surface thereof, and the portion is penetrated into the cylindrical portion of the stirring member. An opening is formed through the opening and the processed material and It employs means for flow to one another between the inner and outer agitating member grinding media.
A pulverizer according to a second aspect of the present invention is the pulverizer according to the first aspect, wherein a ratio (L / D) between an axial length (L) and a diameter (D) of the pulverization container. The ratio is taken to be 1.0 or less .
[0011]
[Action]
The present invention employs the above-described means, so that when the processed material is supplied from the supply port into the inner chamber of the pulverizing container and the stirring member is rotated, the processed material is located in the inner chamber of the pulverizing container. Agitated with the media, flows outward from the center of the inner chamber, the processed material and the grinding media are separated by the slits of the separator, the grinding media is left in the inner chamber, and the processed materials pass through the slits of the separator. The fluid flows into the outer chamber and is discharged from the outer chamber to the outside of the pulverization container through the discharge port.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention shown in the drawings will be described.
1 and 2 show an embodiment of a pulverizer according to the present invention. FIG. 1 is a front view showing the whole and FIG. 2 is a longitudinal sectional view of the pulverizer shown in FIG.
[0013]
That is, the pulverizer 1 shown in this embodiment is a continuous media agitation type wet pulverizer, and is provided in a cylindrical pulverization container 2 with both ends closed and rotatably in the pulverization container 2. In addition, a stirring member 18 that stirs the processed material and the pulverization medium located in the pulverization container 2 and a cylindrical member that is provided in the pulverization container 2 and separates the processed material and the pulverization medium located in the pulverization container 2. Separator 13.
[0014]
The pulverization container 2 is composed of a cylindrical container body 3 whose one end is closed, and a disc-shaped lid 6 which is attached to the other end opening of the container body 3 and closes it. It is formed in a cylindrical shape whose both ends are closed by two members.
[0015]
A cylindrical boss 4 communicating with the inside and outside of the container body 3 is integrally provided at the central portion of the closed end of the container body 3, and a bearing 8 is mounted in the boss 4. The stirring member 18 is rotatably supported.
[0016]
An annular groove 5 is provided on the inner surface side of the container body 3 along the inner peripheral surface of the cylindrical portion, and an annular groove 7 is also provided in the portion of the lid 6 corresponding to the groove 5. Yes. Then, one end of the separator 13 in the axial direction is positioned in the groove 5 of the container body 3, and the lid 6 is attached to the other end opening of the container body 3 in this state, and the separator 13 is placed in the groove 7 of the lid 6. The other end in the axial direction is positioned, and the lid 6 is fixed to the container body 3 with a bolt or the like, so that the separator 13 is fixed in the pulverizing container 2 while being sandwiched in the axial direction. The separator 13 may be fixed in the crushing container 2 by other means (bolts or the like) without providing the grooves 5 and 7 in the container body 3 and the lid 6.
[0017]
The inside of the pulverization container 2 is divided into two chambers of a circular inner chamber 9 and an annular outer chamber 10 in the radial direction by the separator 13. A cylindrical supply port 11 that communicates the inside and outside of the inner chamber 9 is integrally provided at the center of the lid 6, and the processed material is supplied into the inner chamber 9 through the supply port 11. . A cylindrical discharge port 12 communicating with the inside and outside of the outer chamber 10 is integrally provided in the cylindrical portion of the container body 3, and the processed material that has passed through the separator 13 through the discharge port 12 is crushed container 2. It is discharged outside.
[0018]
The crushing container 2 is formed short in the axial direction. That is, the L / D ratio is reduced (L / D ≦ 1.0 in this embodiment). If the L / D ratio is decreased, the flow of the processed material in the pulverization container 2 does not become a piston flow state, so that the pulverization efficiency is lowered. Since the size is increased, a sufficient volume of the inner chamber 9 (grinding region) can be secured, and the same grinding efficiency as that of the conventional one can be obtained.
[0019]
The separator 13 is composed of a cylindrical inner ring 14, a cylindrical outer ring 15, and a plurality of steel bars 16, 16... The steel bars 16 are provided between the outer ring 15 and the inner ring 14 at predetermined intervals so that the inner diameter side has a larger diameter. And, by providing a plurality of steel bars 16, 16... Between the inner ring 14 and the outer ring 15 in this way, a wedge shape in which the distance between the adjacent steel bars 16, 16 increases sequentially from the inner diameter side to the outer diameter side. Are formed, and the inner chamber 9 and the outer chamber 10 communicate with each other through the slits 17, 17. Although not shown, the inner ring 14 and the outer ring 15 are provided with a plurality of holes that communicate with the slits 17.
[0020]
And, by combining the three kinds of members 14, 15, 16 in this way to form a plurality of slits 17, 17,..., A sufficient effective area for passing a large amount of processed material is ensured. Can do. Further, since each slit 17 is formed in a wedge shape in which the interval is gradually increased from the inner diameter side to the outer diameter side, the processed material can flow to the outer chamber 10 side without causing clogging. Furthermore, sufficient strength during operation can be ensured. The separator 13 is not limited to the structure shown in this embodiment, but “a sufficient effective area for allowing a large flow rate of processed material to pass through” can be secured. No. ”and“ A structure that satisfies the three conditions of “Ensure sufficient strength during operation” is acceptable.
[0021]
The stirring member 18 has a cylindrical shape with one end closed, and is provided rotatably in the inner chamber 9 of the crushing container 2. On the outer peripheral side of the cylindrical portion of the stirring member 18, concave portions 19 and convex portions 20 are alternately provided over the entire circumference. Each recess 19 is provided with an opening 21 penetrating inward and outward, and the processed material and the pulverization medium flow between the inner and outer portions of the stirring member 18 in the radial direction via the opening 21. At one end of the stirring member 18 that is closed, a plurality of openings 22 that penetrates the stirring member 18 inward and outward are provided. The openings 22 are positioned at predetermined intervals on a concentric circle centered on the axis of the stirring member 18, and the processed material and the pulverization medium are passed between the inner and outer portions of the stirring member 18 in the radial direction via the opening 22. They flow with each other.
[0022]
A cylindrical protrusion 23 is integrally provided at the central portion of the closed end of the stirring member 18. The outer peripheral side of the protrusion 23 is fitted to the inner peripheral side of the bearing 8 mounted in the boss 4 of the container body 3 and is rotatably supported by the bearing 8. A front end portion of a drive shaft 24 that is rotatably supported by the bearing 8 is fitted to the inner peripheral side of the protrusion 23. Then, the stirring member 18 is integrated with the drive shaft 24 by screwing the dispersion member 25 serving also as a lock nut from the inner surface side of the stirring member 18 to the tip of the drive shaft 24 and tightening with a predetermined torque. It is designed to be connected.
[0023]
Concave portions 26 and convex portions 27 are alternately provided over the entire circumference of the head of the dispersion member 25, and the concave portions 26 and the convex portions 27 are supplied into the inner chamber 9 of the crushing container 2 from the supply port 11. The processed material and the grinding media located in the inner chamber 9 are dispersed radially outward.
[0024]
Next, the operation of the above will be described.
First, when a drive source (not shown) is operated to drive the drive shaft 24 to rotate, the stirring member 18 connected to the drive shaft 24 rotates integrally with the drive shaft 24 and is positioned at the center of the stirring member 18. The dispersing member 25 is also rotated integrally with the stirring member 18. When the processed product is supplied from the supply port 11 into the inner chamber 9 of the crushing container 2, the processed product is dispersed radially outward along with the pulverized media by the dispersing member 25 in the inner chamber 9, and Stir.
[0025]
In this case, the cylindrical portion of the stirring member 18 is provided with an opening 21 penetrating the inside and outside of the stirring member 18, so that a strong centrifugal force acts on the processed material and the pulverization medium by the opening 21. The processed material and the grinding media flow from the opening 21 to the outer peripheral side of the stirring member 18 by centrifugal force.
[0026]
The processed material and the pulverization medium that have flowed to the outer peripheral side of the stirring member 18 are subjected to a strong shearing force by the concave portions 19 and the convex portions 20 of the stirring member 18 on the outer peripheral side of the stirring member 18 and the shaft of the stirring member 18. Flowing in one direction or the other direction of the direction, flowing in the inner side of the stirring member 18 through the gap between the lid 6 and the stirring member 18, or through the gap between the stirring member 18 and the container body 3. Thus, the fluid flows from the opening 22 of the closed portion of the stirring member 18 to the inside of the stirring member 18 and circulates in the inner chamber 9 along such a series of flows.
[0027]
Then, as the processed material and the pulverizing medium circulate in the inner chamber 9 as described above, both of them become a complete mixed state, and the processed material is gradually finely pulverized to reach a predetermined particle size. The processed product that has reached a predetermined particle size is separated from the pulverized media by the separator 13 when flowing to the outer peripheral side of the stirring member 18, flows into each slit 17 of the separator 13, flows there, and flows into the outer chamber 10. And is discharged from the outer chamber 10 to the outside of the crushing container 2 through the discharge port 12.
[0028]
In the pulverizer 1 according to this embodiment configured as described above, although the L / D ratio of the pulverization container 2 is formed to be small (1.0 or less), D is increased by the amount L is reduced. Therefore, a sufficient volume of the inner chamber 9 (grinding region) can be secured. Therefore, the same grinding efficiency as that of the conventional one in which the grinding container 2 is formed long in the axial direction (L / D ratio is increased) can be obtained.
[0029]
Further, the separator 13 for separating the processed material and the grinding media is formed in a cylindrical shape to form a plurality of slits 17 over the whole, and the separator 13 thus formed is ground with the axes aligned. Since it is provided in the container 2, a sufficient effective area for processing a large flow rate of processed material can be secured. Therefore, the flow of the processed material is not limited by the separator 13 and can sufficiently handle the processing of a large flow rate of processed material.
[0030]
Furthermore, since the separator 13 is provided with a plurality of steel bars 16 between the inner ring 14 and the outer ring 15, sufficient strength can be ensured even if a large amount of processed material is processed. . Therefore, stable performance can be exhibited in the long term.
[0031]
And while providing the dispersion member 25 in the center part of the stirring member 18, the opening part 21 which penetrates inside and outside in the cylindrical part of the stirring member 18, and the opening part 22 which penetrates inside and outside at the one end by which the stirring member 18 is obstruct | occluded. Thus, the processed material and the grinding media can be circulated using the entire inner chamber 9. Therefore, the pulverization media and the processed material are not shifted to a part in the pulverization container 2 to affect the operation or to make the operation difficult, and good operation characteristics can be obtained in the long term. Become.
[0032]
FIG. 3 shows a batch processing system 28 configured using a continuous media stirring type wet pulverizer according to the present invention. That is, the batch processing system 28 includes the pulverizer 1 described above, a service tank 30 connected to the pulverizer 1 via a circulation line 29, and a circulation pump 31 provided in the middle of the circulation line 29. Yes.
[0033]
This batch processing system 28 is effective when sufficient pulverization cannot be performed by one pulverization, and is particularly effective when a small amount of products of other varieties are produced. In this case, it is possible to perform highly productive operation by using a large number of movable service tanks 30 and sequentially exchanging them. In addition, when it is necessary to clean the inside of the pulverizer 1 by changing the product, the service tank 30 containing a cleaning liquid such as a detergent or a rinsing liquid is connected and operated to pulverize the interior of the pulverizer 1. The media, the circulation line 29, etc. can be completely cleaned.
[0034]
【The invention's effect】
Since the present invention is configured as described above, the following effects can be obtained.
That is, in the media agitation type wet pulverizer according to the present invention, when the processed product is supplied from the supply port into the inner chamber of the pulverization container and the stirring member is rotated, the processed product is stirred and pulverized together with the pulverized media by the stirring member, It flows radially outward by the action of centrifugal force and reaches the position of the separator.
Then, the processed material and the pulverized media are separated by the separator, the pulverized media is left in the inner chamber, the processed material passes through the slit, flows into the outer chamber, and is discharged from the outer chamber to the outside of the pulverization container through the discharge port. Is done. In this case, the separator is provided with a plurality of slits over its entire circumference, and a sufficient effective area for processing a large amount of processed material can be secured. And the flow of the large flow volume processed material is not restrict | limited by the part of a separator, and a large flow volume processed material can be processed efficiently.
Moreover, since the opening part which penetrates the inside and outside is provided in the cylindrical part of the stirring member, a strong centrifugal force can be made to act on a processed material and a grinding | pulverization medium by the opening part. Therefore, the processed material and the pulverization medium flow from the opening to the outer peripheral side of the stirring member by the centrifugal force, flow on the outer peripheral side of the stirring member in the axial direction of the stirring member, and flow to the inner portion of the stirring member. The processed material and the grinding media circulate in the inner chamber along such a series of flows, and both are in a completely mixed state. Therefore, the pulverization media and the processed product are not shifted to a part of the pulverization container to affect the operation or make the operation difficult, and good operation characteristics can be obtained in the long term.
Furthermore, although the pulverization container is formed short in the axial direction (L / D ratio is small), the pulverization efficiency of the processed product is reduced because D is formed large by the amount L is reduced. However, excellent grinding efficiency can be obtained.
[Brief description of the drawings]
FIG. 1 is a front view showing an embodiment of a pulverizer according to the present invention.
2 is a longitudinal sectional view of what is shown in FIG. 1. FIG.
FIG. 3 is a system diagram of a batch processing system configured using a pulverizer according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Crusher 2 ... Crushing container 3 ... Container main body 4 ... Boss 5, 7 ... Groove 6 ... Lid 8 ... Bearing 9 ... Inner chamber 10 ... Outer chamber 11 ... Supply port 12 ... ... Exhaust port 13 ... Separator 14 ... Inner ring 15 ... Outer ring 16 ... Steel bar 17 ... Slit 18 ... Stirring members 19 and 26 ... Concave parts 20 and 27 ... Convex parts 21 and 22 ... Openings 23 ... Projection 24 ... Drive shaft 25 ... Dispersing member 28 ... Batch processing system 29 ... Circulation line 30 ... Service tank 31 ... Circulation pump

Claims (2)

両端が閉塞された筒状をなす粉砕容器と、該粉砕容器内に粉砕容器と軸線を一致させた状態で設けられ、該粉砕容器内を径方向に内側室と外側室の2室に区画するとともに、両室間を連通する複数のスリットが全周に渡って形成される筒状のセパレータと、前記内側室内に粉砕容器と軸線を一致させた状態で回転可能に設けられる攪拌部材と、前記内側室内外を連通する処理物の供給口と、前記外側室内外を連通する処理物の排出口とを具えたメディア攪拌型湿式粉砕機において、前記攪拌部材を筒状に形成するとともに、その外周面に凹部、凸部を交互に設け、かつ、前記攪拌部材の筒状部分に、その部分を内外に貫通する開口部を設け、この開口部を介して処理物および粉砕メディアを攪拌部材の内外間において相互に流動させるように構成したことを特徴とする粉砕機。 A crushing container having a cylindrical shape with both ends closed, and a crushing container and an axis aligned with each other are provided in the crushing container, and the inside of the crushing container is radially divided into two chambers, an inner chamber and an outer chamber. In addition, a cylindrical separator in which a plurality of slits communicating between both chambers are formed over the entire circumference, a stirring member that is rotatably provided in the inner chamber with the axis aligned with the grinding container, In a media agitation type wet pulverizer having a treated product supply port communicating with the inside and outside of the chamber and a treated product discharge port communicating with the outside and outside of the chamber, the stirring member is formed in a cylindrical shape and its outer periphery Concave and convex portions are alternately provided on the surface, and an opening is provided in the cylindrical portion of the stirring member so as to penetrate the inside and outside of the stirring member. To flow between each other Grinder, characterized in that form. 前記粉砕容器の軸線方向の長さ(L)と直径(D)との比(L/D比)が1.0以下となるように構成した請求項1記載の粉砕機。The pulverizer according to claim 1, wherein a ratio (L / D ratio) between an axial length (L) and a diameter (D) of the pulverization container is 1.0 or less.
JP17116796A 1996-07-01 1996-07-01 Crusher Expired - Lifetime JP3663010B2 (en)

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JP17116796A JP3663010B2 (en) 1996-07-01 1996-07-01 Crusher
US08/868,987 US5791569A (en) 1996-07-01 1997-06-04 Crushing apparatus
TW086107911A TW334355B (en) 1996-07-01 1997-06-07 A smashing machine
DE19727663A DE19727663B4 (en) 1996-07-01 1997-06-30 comminution device
KR1019970030490A KR100321859B1 (en) 1996-07-01 1997-07-01 Crushing apparatus

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JP3663010B2 true JP3663010B2 (en) 2005-06-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7374116B2 (en) 2005-05-17 2008-05-20 Ashizawa Finetech Ltd. Circulation type media agitator mill

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9307621A (en) 1992-12-09 1999-06-15 Discovery Communicat Inc Operations Center processes to allocate a given amount of bandwidth to plurality of programs to transmit a plurality of programs to generate a program control information signal to assist a program packer and to create nearby program and video services on the demanded service
US9009773B1 (en) 1998-06-30 2015-04-14 Cox Communications, Inc. Method and apparatus for providing broadcast data services
ES2334435T3 (en) 2000-04-26 2010-03-10 Elan Pharma International Limited HYGIENIC WET GRINDING DEVICE.
US6622950B1 (en) * 2001-07-19 2003-09-23 Weiler And Company, Inc. Slot configuration for a separator with slotted walls
JP2004066046A (en) * 2002-08-02 2004-03-04 Mitsui Mining Co Ltd Grinding machine
JP3751952B2 (en) * 2003-04-15 2006-03-08 アタカ工業株式会社 Sludge crusher
ES2367265T3 (en) * 2005-05-17 2011-10-31 Ashizawa Finetech Ltd MILL AGITATOR OF MEDIA OF CIRCULATION TYPE.
WO2006131698A2 (en) * 2005-06-08 2006-12-14 Cheshire Dispersion Company Limited Milling apparatus
JP4918272B2 (en) * 2006-04-11 2012-04-18 アシザワ・ファインテック株式会社 Circulation type media stirring mill
JP4991372B2 (en) * 2007-04-06 2012-08-01 アシザワ・ファインテック株式会社 Media stirring mill
KR200452561Y1 (en) * 2009-02-25 2011-03-07 베스트화학기계공업(주) Basket mill grinding rotar
CN102933304B (en) 2010-04-22 2015-09-30 新生活方式私人有限公司 Material processed and equipment
WO2013015237A1 (en) * 2011-07-28 2013-01-31 アシザワ・ファインテック株式会社 Medium-stirring pulverizer
JP5404955B1 (en) 2013-06-03 2014-02-05 アシザワ・ファインテック株式会社 Medium agitating crusher
CN103301912B (en) * 2013-06-20 2014-10-29 珠海瑟泊特科技有限公司 Sand mill
DE102013111762A1 (en) 2013-07-08 2015-01-08 Netzsch-Feinmahltechnik Gmbh Agitator ball mill with axial channels
KR101538799B1 (en) * 2014-08-04 2015-07-24 육순길 Basket mill
CN112827414A (en) * 2020-12-17 2021-05-25 山东大学齐鲁医院(青岛) Pharmacy reagent agitating unit
CN114452877A (en) * 2021-12-27 2022-05-10 广州品悦生物科技有限公司 Intelligent automatic production equipment for feed-grade natural lutein products

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811899C2 (en) * 1978-03-18 1984-12-06 Fryma-Maschinen Ag, Rheinfelden Gap ball mill
US4347986A (en) * 1980-01-02 1982-09-07 Haddon Lawrence D Self-attritioning pulverizer
US4651935A (en) * 1984-10-19 1987-03-24 Morehouse Industries, Inc. Horizontal media mill
US4967968A (en) * 1989-01-13 1990-11-06 Renato Vitelli Machine apt for the dispersion, mixing and grinding of more than one substance at the same time for the purpose of obtaining homogeneous mixtures of a fixed grain, such as paint
ES2030618A6 (en) * 1990-10-31 1992-11-01 Oliver & Battle Sa Mill for triturating and breaking up solids predispersed in liquids.
US5156344A (en) * 1991-01-17 1992-10-20 Tippett J P Dispenser apparatus
SE468601B (en) * 1991-04-12 1993-02-15 Harry Nilsson FIBER SUSPENSION MALAWARE
JP3400087B2 (en) * 1994-05-09 2003-04-28 真澄 楠 Stirring mill for fine powder grinding
JP3029544B2 (en) * 1995-01-20 2000-04-04 株式会社サトミ製作所 Stock selection equipment
US5544821A (en) * 1995-06-22 1996-08-13 Gupta; Rajendra P. Energy efficient centrifugal grinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7374116B2 (en) 2005-05-17 2008-05-20 Ashizawa Finetech Ltd. Circulation type media agitator mill

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DE19727663A1 (en) 1998-01-08
KR980008322A (en) 1998-04-30
KR100321859B1 (en) 2002-08-27
US5791569A (en) 1998-08-11
JPH1015411A (en) 1998-01-20
TW334355B (en) 1998-06-21
DE19727663B4 (en) 2004-08-12

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